Quick answers
- Where does Gerardo Castillo see patients?
- Medicare's clinician data lists 2 practice locations, including Sullivan City, TX and McAllen, TX. Call before your visit to confirm the address.
- What is Gerardo Castillo's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Gerardo Castillo accept Medicare assignment?
- Yes. Medicare's clinician data says Gerardo Castillo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Gerardo Castillo offer telehealth?
- Medicare's clinician data says Gerardo Castillo offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gerardo Castillo?
- (956) 627-4874, as listed in official Medicare / NPI Registry data.
- What is Gerardo Castillo's NPI number?
- 1831662972. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Gerardo Castillo is enrolled with Medicare (CMS data updated 2026-10-02).
- 104 E Expressway, 83 Suite 3Sullivan City, TX 78595 (956) 627‑4874
- 909 E Esperanza Ave, Suite BMcAllen, TX 78501 (956) 627‑4874
Group practices
Medicare enrollment lists Gerardo Castillo as a member of this group (CMS data updated 2026-10-02).
- Starr Psychiatric Services PLLC2 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Texas
Clinicians with the same Medicare primary specialty in Texas — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1831662972 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians